Is Obsidian a precious stone?

Related questions

1. Can Obsidian cut through steel?
2. Does Obsidian break easily?
3. Does Obsidian need to be cleansed?
4. Is Obsidian fragile?
5. How do you clean black obsidian?
6. Does black tourmaline need cleansing?
7. What is obsidian made of?
8. How do you cut Obsidian?
9. What type of rock is obsidian?
10. Is Obsidian found in Pennsylvania?

Tags

1. #since
2. #volcanic
3. #complex
4. #whilst
5. #because
6. #obsidian
7. #gemstone
8. #naturally
9. #crystalline
10. #mineral
11. #occurring
12. #glass
13. #which
14. #structure
15. #antiquity
16. #forms
17. #cools
18. #composition
19. #considered